Home / 1,316,698.52-1,974,654.12-685,267.88

Finding the Fourth Proportional to 1,316,698.52, 1,974,654.12 and 685,267.88

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Solution

The fourth proportional to 1,316,698.52, 1,974,654.12 and 685,267.88 is: 1,027,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,698.52 : 1,974,654.12 = 685,267.88 : x
  2. Step 2: Convert to fraction form
    1,316,698.52/1,974,654.12 = 685,267.88/x
  3. Step 3: Cross multiply
    1,316,698.52x = 1,974,654.12 × 685,267.88
  4. Step 4: Simplify right side
    1,316,698.52x = 1,353,167,032,672.40
  5. Step 5: Solve for x
    x = 1,353,167,032,672.40/1,316,698.52
  6. Step 6: Final answer
    x = 1,027,696.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.